version bump for 7.0.4 

version bump for 7.0.3 

Bump version to 7.0.2 

Bump version to 6.4.0 

Bump to version 7.0.1 

Create elasticsearch6 package 

update change log 

Bump version to 5.5.5 

Bump version to 6.3.1 

Bump version to 5.5.4